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Schema vs. Table — What's the Difference?

By Maham Liaqat & Fiza Rafique — Updated on March 13, 2024
A schema is a logical collection of database objects including tables, defining structure and relationships, while a table is a specific structure within a schema used to store data in rows and columns.
Schema vs. Table — What's the Difference?

Difference Between Schema and Table

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Key Differences

A schema in the context of databases represents a collection of database objects, such as tables, views, indexes, and stored procedures, that logically group these elements together. It defines how data is organized and how relationships between data are handled. In contrast, a table is one of the objects contained within a schema and is used specifically for storing data in an organized manner, with rows representing records and columns representing attributes of those records.
Schemas serve as a blueprint for a database, outlining the overall structure and the relationships between the different tables and other objects within the database. They provide a framework within which tables and other objects are created, ensuring data integrity and enforcing business rules through constraints and relationships. On the other hand, tables are the actual containers for data storage within this framework, holding the detailed records that are accessed and manipulated through SQL queries.
The concept of a schema allows for separation and organization of data within a database, especially in large databases where multiple users or applications might need to work with different sets of data. Schemas can help in managing access permissions, making it easier to control who has access to what data. Tables, while being integral parts of schemas, are focused more on the efficient storage, retrieval, and manipulation of data records.
In terms of database design, the schema is developed first to define the overall structure and relationships between objects. This includes planning out the tables, their columns, and the types of data that will be stored, as well as how tables relate to each other. The creation of tables follows, adhering to the schema’s design, to actually implement the storage of data according to the defined structure and rules.
The relationship between schemas and tables is akin to that between blueprints and rooms in a building's design. The schema provides the overall design and organization, indicating how different parts of the database (rooms) fit together, while tables are like individual rooms designed for specific purposes, in this case, storing data in a structured way.
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Comparison Chart

Definition

A logical collection of database objects, defining structure and relationships.
A structure within a schema used to store data in rows and columns.

Components

Includes tables, views, indexes, and stored procedures.
Consists of rows (records) and columns (attributes).

Purpose

Defines how data is organized and establishes relationships between data objects.
Stores and organizes data in a structured manner for efficient access and manipulation.

Usage

Provides a framework for the database, managing access permissions and ensuring data integrity.
Holds the actual data records within the database, allowing for data storage, retrieval, and manipulation.

Design Phase

Developed first to outline the overall structure and rules for data management.
Created within the schema’s framework to implement data storage according to the schema's design.

Compare with Definitions

Schema

An organizational blueprint for databases.
The company's database schema includes tables for employees, departments, and projects.

Table

Stores data in rows and columns.
The employee table contains information like ID, name, and department.

Schema

Manages access permissions.
The HR schema is accessible only to the HR department for privacy reasons.

Table

Allows for efficient data manipulation.
Data in the product table can be quickly updated to reflect inventory changes.

Schema

Defines structure and relationships.
The schema dictates how customer and order tables relate.

Table

Facilitates data storage and retrieval.
The report queries data from the transactions table to generate monthly sales reports.

Schema

Logical grouping of database objects.
The sales schema groups all sales-related tables and views.

Table

Specific structure within a schema.
The orders table within the sales schema tracks customer orders.

Schema

Enforces business rules and data integrity.
The schema enforces a foreign key constraint between product and order tables.

Table

Holds records in a structured format.
The customer table organizes data by customer ID, name, and contact details.

Schema

A plan, outline, or model
A schema for prioritizing vaccinations.
A writer's schema for a novel.

Table

A piece of furniture with a flat top and one or more legs, providing a level surface for eating, writing, or working at
She put the plate on the table
He rang the restaurant to book a table for lunch

Schema

(Psychology) A pattern imposed on complex reality or experience to assist in explaining it, mediate perception, or guide response.

Table

A set of facts or figures systematically displayed, especially in columns
The population has grown, as shown in table 1

Schema

An outline or image universally applicable to a general conception, under which it is likely to be presented to the mind (for example, a body schema).

Table

A flat, typically rectangular, vertical surface; a panel.

Schema

(databases) A formal description of the structure of a database: the names of the tables, the names of the columns of each table, and the data type and other attributes of each column.

Table

Present formally for discussion or consideration at a meeting
More than 200 amendments to the bill have already been tabled

Schema

(markup languages) A formal description of data, data types, and data file structures, such as XML schemas for XML files.

Table

Postpone consideration of
I'd like the issue to be tabled for the next few months

Schema

(logic) A formula in the metalanguage of an axiomatic system, in which one or more schematic variables appear, which stand for any term or subformula of the system, which may or may not be required to satisfy certain conditions.

Table

Strengthen (a sail) by making a hem at the edge.

Schema

(Christianity) A monastic habit in the Greek Orthodox Church.

Table

A piece of furniture usually supported by one or more legs and having a flat top surface on which objects can be placed
A dinner table.
A poker table.

Schema

An outline or image universally applicable to a general conception, under which it is likely to be presented to the mind; as, five dots in a line are a schema of the number five; a preceding and succeeding event are a schema of cause and effect.

Table

The objects laid out for a meal on this article of furniture.

Schema

An internal representation of the world; an organization of concepts and actions that can be revised by new information about the world

Table

The food and drink served at meals; fare
Kept an excellent table.

Schema

A schematic or preliminary plan

Table

The company of people assembled around a table, as for a meal.

Table

Either of the leaves of a backgammon board.

Table

Tables(Obsolete) The game of backgammon.

Table

A plateau or tableland.

Table

A flat facet cut across the top of a precious stone.

Table

A stone or gem cut in this fashion.

Table

The front part of the body of a stringed instrument.

Table

The sounding board of a harp.

Table

(Architecture) A raised horizontal surface or continuous band on an exterior wall; a stringcourse.

Table

A part of the human palm framed by four lines, analyzed in palmistry.

Table

An orderly arrangement of data, especially one in which the data are arranged in columns and rows in an essentially rectangular form.

Table

An abbreviated list, as of contents; a synopsis.

Table

An engraved slab or tablet bearing an inscription or device.

Table

(Anatomy) The inner or outer flat layer of bones of the skull separated by the diploe.

Table

Tables A system of laws or decrees; a code
The tables of Moses.

Table

To put or place on a table.

Table

To postpone consideration of (a piece of legislation, for example); shelve.

Table

To enter in a list or table; tabulate.

Table

Furniture with a top surface to accommodate a variety of uses.

Table

An item of furniture with a flat top surface raised above the ground, usually on one or more legs.
Set that dish on the table over there, please.

Table

The board or table-like furniture on which a game is played, such as snooker, billiards, or draughts.

Table

A flat tray which can be used as a table.

Table

A supply of food or entertainment.
The baron kept a fine table and often held large banquets.

Table

A service of Holy Communion.

Table

(backgammon) One half of a backgammon board, which is divided into the inner and outer table.

Table

A group of people at a table, for example, for a meal, meeting or game.

Table

The lineup of players at a given table.
That's the strongest table I've ever seen at a European Poker Tour event

Table

A group of players meeting regularly to play a campaign.

Table

A group of diners at a given table or tables.
Table 9 wants another round of beers.
John always gets the best tips because he gets the best tables! It's not fair!

Table

A two-dimensional presentation of data.

Table

A matrix or grid of data arranged in rows and columns.

Table

A collection of arithmetic calculations arranged in a table, such as multiplications in a multiplication table.
The children were practising multiplication tables.
Don’t you know your tables?
Here is a table of natural logarithms.

Table

A lookup table, most often a set of vectors.

Table

(sports) A visual representation of a classification of teams or individuals based on their success over a predetermined period.

Table

(musical instruments) The top of a stringed instrument, particularly a member of the violin family: the side of the instrument against which the strings vibrate.

Table

The flat topmost facet of a cut diamond.

Table

To tabulate; to put into a table or grid.
To table fines

Table

To supply (a guest, client etc.) with food at a table; to feed.

Table

(obsolete) To delineate; to represent, as in a picture; to depict.

Table

(non-US) To put on the table of a commission or legislative assembly; to propose for formal discussion or consideration, to put on the agenda.

Table

To remove from the agenda, to postpone dealing with; to shelve to indefinitely postpone consideration or discussion of something.
The legislature tabled the amendment, so they will not be discussing it until later.
The motion was tabled, ensuring that it would not be taken up until a later date.

Table

To join (pieces of timber) together using coaks.

Table

To put on a table.

Table

(nautical) To make board hems in the skirts and bottoms of (sails) in order to strengthen them in the part attached to the bolt-rope.

Table

A smooth, flat surface, like the side of a board; a thin, flat, smooth piece of anything; a slab.
A bagnio paved with fair tables of marble.

Table

A thin, flat piece of wood, stone, metal, or other material, on which anything is cut, traced, written, or painted; a tablet
And the Lord said unto Moses, Hew thee two tables of stone like unto the first, and I will write upon these tables the words that were in the first tables, which thou brakest.
And stand there with your tables to gleanThe golden sentences.

Table

Any smooth, flat surface upon which an inscription, a drawing, or the like, may be produced.
The opposite walls are painted by Rubens, which, with that other of the Infanta taking leave of Don Philip, is a most incomparable table.
St. Antony has a table that hangs up to him from a poor peasant.

Table

Hence, in a great variety of applications: A condensed statement which may be comprehended by the eye in a single view; a methodical or systematic synopsis; the presentation of many items or particulars in one group; a scheme; a schedule.

Table

A view of the contents of a work; a statement of the principal topics discussed; an index; a syllabus; a synopsis; as, a table of contents.

Table

An article of furniture, consisting of a flat slab, board, or the like, having a smooth surface, fixed horizontally on legs, and used for a great variety of purposes, as in eating, writing, or working.
We may againGive to our tables meat.
The nymph the table spread.

Table

A list of substances and their properties; especially, the a list of the elementary substances with their atomic weights, densities, symbols, etc.

Table

Hence, food placed on a table to be partaken of; fare; entertainment; as, to set a good table.

Table

Any collection and arrangement in a condensed form of many particulars or values, for ready reference, as of weights, measures, currency, specific gravities, etc.; also, a series of numbers following some law, and expressing particular values corresponding to certain other numbers on which they depend, and by means of which they are taken out for use in computations; as, tables of logarithms, sines, tangents, squares, cubes, etc.; annuity tables; interest tables; astronomical tables, etc.

Table

The company assembled round a table.
I drink the general joy of the whole table.

Table

The arrangement or disposition of the lines which appear on the inside of the hand.
Mistress of a fairer tableHath not history for fable.

Table

One of the two, external and internal, layers of compact bone, separated by diploë, in the walls of the cranium.

Table

A stringcourse which includes an offset; esp., a band of stone, or the like, set where an offset is required, so as to make it decorative. See Water table.

Table

The board on the opposite sides of which backgammon and draughts are played.
This is the ape of form, monsieur the nice,That, when he plays at tables, chides the dice.

Table

A circular plate of crown glass.
A circular plate or table of about five feet diameter weighs on an average nine pounds.

Table

The upper flat surface of a diamond or other precious stone, the sides of which are cut in angles.

Table

A plane surface, supposed to be transparent and perpendicular to the horizon; - called also perspective plane.

Table

The part of a machine tool on which the work rests and is fastened.

Table

To form into a table or catalogue; to tabulate; as, to table fines.

Table

To delineate, as on a table; to represent, as in a picture.
Tabled and pictured in the chambers of meditation.

Table

To supply with food; to feed.

Table

To insert, as one piece of timber into another, by alternate scores or projections from the middle, to prevent slipping; to scarf.

Table

To lay or place on a table, as money.

Table

In parliamentary usage, to lay on the table; to postpone, by a formal vote, the consideration of (a bill, motion, or the like) till called for, or indefinitely.

Table

To enter upon the docket; as, to table charges against some one.

Table

To make board hems in the skirts and bottoms of (sails) in order to strengthen them in the part attached to the boltrope.

Table

To live at the table of another; to board; to eat.

Table

A set of data arranged in rows and columns;
See table 1

Table

A piece of furniture having a smooth flat top that is usually supported by one or more vertical legs;
It was a sturdy table

Table

A piece of furniture with tableware for a meal laid out on it;
I reserved a table at my favorite restaurant

Table

Flat tableland with steep edges;
The tribe was relatively safe on the mesa but they had to descend into the valley for water

Table

A company of people assembled at a table for a meal or game;
He entertained the whole table with his witty remarks

Table

Food or meals in general;
She sets a fine table
Room and board

Table

Hold back to a later time;
Let's postpone the exam

Common Curiosities

How do schemas and tables relate?

Schemas contain tables among other database objects; they provide the structure within which tables are created and organized.

Is a table the same as a database?

No, a table is a component within a database, designed for storing data, while a database is a collection of tables and other objects managed by a database management system.

What is a schema?

A schema is a logical framework that defines the organization, structure, and relationships of database objects, including tables, within a database.

Can a table exist without a schema?

In most database systems, tables are created within a schema to adhere to an organized structure. However, default schemas are often used if none is specified.

What role do tables play in data manipulation?

Tables are central to data manipulation, serving as the primary structures where data is inserted, queried, updated, and deleted.

Why are schemas important in database design?

Schemas are crucial for defining the overall structure and relationships within a database, ensuring data integrity, and facilitating access control.

What does a table do?

A table specifically stores and organizes data in a structured format of rows and columns within a database.

Can a database have multiple schemas?

Yes, a database can have multiple schemas, allowing for better organization and management of data across different departments or applications.

How can access to tables be controlled?

Access to tables can be controlled through schemas by assigning permissions to users or roles at the schema level, affecting all contained objects including tables.

How does a schema enforce data integrity?

Schemas enforce data integrity through rules and constraints applied to tables and their relationships, ensuring data consistency and compliance with business rules.

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Author Spotlight

Written by
Maham Liaqat
Co-written by
Fiza Rafique
Fiza Rafique is a skilled content writer at AskDifference.com, where she meticulously refines and enhances written pieces. Drawing from her vast editorial expertise, Fiza ensures clarity, accuracy, and precision in every article. Passionate about language, she continually seeks to elevate the quality of content for readers worldwide.

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